cerebellum

Question 1

where is the cerebellum located in the metencephalon?

Answer 1

Dorsal portion

Question 2

The development of teh fetal cerebellum directly correlates with what?

Answer 2

coordination after birth

precocial spp. will get up immediately after birth like hroses and cows

Question 3

The cerebellum connects to what regions of the brain?

Answer 3

Many: sensory, cognition, language and emotion

Question 4

How does the cerebellum connect to the brainstem?

Answer 4

via cerebellar peduncles

rostral, middle and caudal

Question 5

The cerebellum is made up of:

Answer 5

vermis, 2 hemispheres and flocculonodular lobe

Question 6

Where is the flocculondoular lobe of the cerebellum?

Answer 6

is the ventral portion of the cerebellum

Question 7

Flocculonodular lobe of the cerebellum functions to

Answer 7

regulate equillibrium with vestibular system

Question 8

The Vermis and Rostral Lobe function in:

Answer 8

Spinal cord function and postural tone

Question 9

The vermis and caudal lob function in:

Answer 9

regulation of skilled movements (coordination)

Question 10

What is the primary responsibility of the cerebellum?

Answer 10

to determine rate, range and force of movements

Question 11

Does the cerebellum function to initiate movement?

Answer 11

No

Question 12

Clinical disease to the cerebellum causes

Answer 12

ataxia (incoordination)

Question 13

Clinical disease to teh cerebellum does NOT causes:

Answer 13

loss of function or paresis

Question 14

Vestibular ataxia

Answer 14

head and body tilt

Question 15

Cerebellar ataxia

Answer 15

Rate , range and force

Question 16

dysmetria

Answer 16

unable to regulate rate, range and/or force of movements

Question 17

Hypermetria

Answer 17

over measurement in the gait response

Question 18

Vestibulocochlear nerve functions

Answer 18

hearing and balance

Question 19

What are clinical signs of CN 8-vestibulocochlear nerve lesion?

Answer 19

hearing loss, nystagmus, head tilt, nausea, inappetance

Question 20

How to test for CN8 lesion?

Answer 20

tracking, positioning of head, bang pots and pans, etc.

Question 21

Where does CN8 arise from?

Answer 21

midbrain

Question 22

Opisthotonus

Answer 22

Decerebellate posture

*extended neck and thoracic limbs, flexed hips

Question 23

Most primary cerebllar diseases are:

Answer 23

congenital

Question 24

What are congenital cerebellar diseases caused by:

Answer 24

in-utero infection

ie) panleukpenia virus in vats and BVD in cattle

Question 25

Cerebellar abiotriphy

Answer 25

malformation of the cerebellum

Question 26

cerebellar abiotrophy is common in

Answer 26

canine and equine

–> kerry blue terriers, chinese crested and arabians

Question 27

What are clinical signs of cerebellar abiotrophy?

Answer 27

Normal at birth with progressive cerebellar ataxia

• mild- severe gait abnormalities
• rate progression varies with canine breeds

Question 28

Cerebellar Neoplasia at cerebellar peduncle leasion causes

Answer 28

ipsilateral CN signs and contralateral peripheral/body signs

Question 29

what are potential clinical signs of a R. cerebellar peduncle lesion?

Answer 29

dysmetria/hypermetria of the left limbs, head tilt to the right, etc.